The Application Of The Dorsal Muscle Group About The Relationship Of Double Lead In Rumba Dance

Objective:Skeletal muscles are controlled by the nervous system,and their contractions produce movement.The realization of predetermined dance movements requires muscles to achieve specific effects.This paper is in order to understand the level of back muscle activation of domestic elite athletes and amateur athletes by SEMG,and obtain relevant research results.The back muscles of the Asian games champions as a benchmark,draw up the training plan which is scientific and reasonable to meet the training needs of amateur athletes,so as to improve the activation degree and proficiency of personal back muscles,and promote the overall level of the use of the back muscles of Chinese amateur athletes,the back of the individual skills are used into the double movement,so that the double lead to achieve a qualitative leap,achieve 1+1 larger than 2 performance effect.Research significance:Based on the current development level of Latin dance in China,this paper provides scientific theoretical data for the establishment of training objectives,the improvement of athletes’ movements,and the development of scientific and reasonable training methods and means,by analyzing the technical characteristics of elite athletes,to promote the use of the back muscles of amateur Latin dancers,and improve the skill level of double lead,finally,to improve the competitive ability and performance.Research methods:The application of back muscles in the double lead relationship was studied by literature review,experiment and questionnaire.According to the characteristics of rumba dance in Latin dance,such as continuous,relatively slow movement and more easily reflected strength,this paper takes rumba dance in Latin dance as an example,selects a representative double lead,and combines the research method The application of back muscles in the double lead relationship was studied by means of experiment methodology and questionnaire method.In this paper,Trigno? Lab: portable SEMG(SEMG),manufactured by Delsys,USA,was used to conduct SEMG(SEMG)test on 2 individual target samples and 32 other experimental samples of the back muscles that performed the basic stepof rumba dance,and to collect synchronous data with Delsys.The results of thy study:1.There is a difference in MVC between elite athletes and amateurs,in the same gender,elite athletes is larger than that amateurs athletes.There is also a difference in MVC between athletes of the same level,in terms of single muscle,male athletes MVC is larger than female athletes MVC,and the trapezius muscle bundle MVC is slightly larger than the superior latissimus dorsi muscle bundle MVC.2.Among the elite athletes,the muscle activation degree of male athletes was larger than that of female athletes,and the activation degree of latissimus dorsi muscle superior bundle was larger than that of trapezius muscle,and more attention was paid to the completion degree of latissimus dorsi muscle team dance,and no significant difference in the use of back muscles in the single and double sports.3.In amateur athletes,there was no obvious rule of activation between men and women,but the activation degree of the superior trapezius muscle bundle was larger than that of latissimus dorsi muscle on the whole,and the trapezius muscle was paid more attention to during exercise.The activation degree of the back muscles of two pairs was significantly lower than that of single back muscles.4.elite athletes back muscle activation is larger than the amateurs of back muscle activation degrees,back muscle activation degree was positively related with MVC,amateurs to single action lower back muscle activation and proficiency is not enough,unable to realize the perfect technology,double belt broken relationships,eventually leading to double action to complete the degree is not high,the field failure.5.Through 15 weeks before and after the experiment contrast,amateurs through physical and back muscles skills training basic understanding of back muscles application situation,has reached intermediate water through 15 weeks before and after the experiment contrast,amateurs through physical and back muscles skills training basic understanding of back muscles application situation,has reached the intermediate level,and the back of the activation level also had significant improvement,through survey,amateurs in double action and a higher level of completion and cooperate with the tacit understanding.